I am using react native and i want to get the access token from api which is created in django using oAuth 2 authentication
i am passing all the details which are required but i do not know why i am getting error of unsupported grant type
fetch('MyApiUrl', {
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded',
},
body: JSON.stringify({
'grant_type': 'password',
'username': 'MyUserNameSettedInApi',
'password': 'PasswordSettedInApi',
'client_id': 'MyClientId',
'client_secret': 'MyClientSecret',
'scope': 'read Write'
})
})
.then((response) => response) <----tried response.json() but giving same error of grant type
.then((responseData) => {
console.log(responseData);
})
My expected result is i want access token should display
and what i am getting is
Response {type: "default", status: 400, ok: false, statusText: undefined, headers: Headers, …}
headers: Headers {map: {…}}
ok: false
status: 400
statusText: undefined
type: "default"
url: "http://MyUrl"
_bodyInit: "{"error": "unsupported_grant_type"}"
_bodyText: "{"error": "unsupported_grant_type"}"
__proto__: Object
please help
thanks in advance
tried response.json() but giving same error of grant type - this is answer from Your oauth server.
response.json() transform your response data into json decoded string.
Change Your code to this:
let formData = new FormData();
formData.append('grant_type', 'password');
formData.append('username', 'MyUserNameSettedInApi');
formData.append('password', 'PasswordSettedInApi');
formData.append('client_id', 'MyClientId');
formData.append('client_secret', 'MyClientSecret');
formData.append('scope', 'read Write');
fetch('MyApiUrl', {
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded',
},
body: formData
})
.then((response) => response.json())
.then((responseData) => {
console.log(responseData);
});
Install qs library
npm install qs
Import it in your app and then you'll be able to send it.
Use qs.stringify as shown below
fetch('http://localhost:8888/o/token',
{
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded;'
},
body: qs.stringify({
'grant_type': 'password',
'username': 'MyUserNameSettedInApi',
'password': 'PasswordSettedInApi',
'client_id': 'MyClientId',
'client_secret': 'MyClientSecret',
})
})
I also got that same issue of "{"error": "unsupported_grant_type"}" for that, I just pass all the body parameters directly without using JSON.stringify({}); It works for me, find the example code below.
body: 'grant_type=password&username=MyUserName&password=MyPassword'
you need to update the body section only.
fetch('MyApiUrl', {
method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
},
body: 'grant_type=password&username=MyUserName&password=MyPassword'
})
.then(res => res.json())
.then(token => console.log(token))
.catch(err => console.error(err));
Hope this will help you.
Related
I'm trying to make a request with generated git token, but it seems like I'm making a wrong authentication, what am I doing wrong? Thanks
const token = 'my github token'
fetch('https://api.github.com/graphql', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'bearer' + token
},
body: JSON.stringify({ query: QUERY })
})
.then(res => res.json())
.then(data => console.log(data))
}
Error message:
{message: 'This endpoint requires you to be authenticated.'}
Solved it by putting space in bearer:
'Authorization': 'bearer ' + token
When I call API I am getting below error in response. please find below is code and error message.
TEST RESPONSE:
{
"responseData": {"limit": ["Limit is required"],
"module_type": ["Module type required"],
"section": ["section value \"liveability || investment || recommend\" is required"],
"skip": ["Skip is required"]
}
Implemented code:
fetch( 'https://api.dotcomkart.com/api/homePagePropertyList?', {
method: 'POST',
body: JSON.stringify({
skip: 0,
limit: 10,
module_type:'buy',
section: 'liveability'
}),
})
Try this way
import FormData from 'FormData';
...
var data = new FormData();
data.append("skip", "0");
data.append("module_type", "buy");
....
fetch('YOUR_URL', {
method: 'POST',
headers: {
Accept: 'application/json',
'Content-Type': 'multipart/form-data',
},
body: data,
})
.then((response) => response.json())
.then((responseJson) => {
console.log('response object:',responseJson)
})
.catch((error) => {
console.error(error);
});
Sometimes when you work with REST API call you have to work with correct headers.
In your case I suppose your are missing two important headers required to activate a good communication between client and servers:
accept
content-type
Please review your code based on this one:
fetch('https://api.dotcomkart.com/api/homePagePropertyList?', {
method: 'POST',
headers: {
"accept": "application/json",
"content-type": "application/json"
},
body: JSON.stringify({
skip: 0,
limit: 10,
module_type:'buy',
section: 'liveability'
}),
})
I think the server is returning "missing" parameters because is not able to understand the type of content. With Content-Type you should be able to instruct the server on how to parse your data.
As i am trying to send my data in form of body in backed url as in backed i have made something if it dont receive body it will send sucess: false, msg: haven't received body else sucess: true, msg: jwt token as if i make request from post man with same data it's working but sending via. native app it fails to send.. any help will be helpfull
As 1st request is from postman and 2nd from my app
const handleLogin = (Enrno, Pass) => {
setError(null);
setIsLoaded(false);
setItems([]);
fetch(config.url + "/login", {
method: "POST",
header : {
Accept : 'application/json',
'Content-Type' : 'application/json'
},
body : JSON.stringify({
"enrno": Enrno,
"password" : Pass
})
})
.then((res) => res.json())
.then(
(result) => {
setIsLoaded(true);
setItems(result);
alert(items[0].msg);
},
(error) => {
setIsLoaded(true);
setError(error);
}
);
};
I think you need to put these to headers, not header.
Accept : 'application/json',
'Content-Type' : 'application/json'
So, it should look like this.
fetch(config.url + "/login", {
method: 'POST',
headers: {
Accept: 'application/json',
'Content-Type': 'application/json'
},
body: JSON.stringify({
enrno: Enrno,
password : Pass
})
})
I try to fetch webservice method. However, it takes string. How can I send string parameter to webservice ?
I tried like this :
fetch('url/MethodName', {
method: 'POST',
headers: new Headers({
Accept: 'application/json',
'Content-Type': 'application/json',
}),
})
where should I put string parameter ?
by mozilla
var url = 'https://example.com/profile';
var data = {username: 'example'};
fetch(url, {
method: 'POST', // or 'PUT'
body: JSON.stringify(data), // data can be `string` or {object}!
headers:{
'Content-Type': 'application/json'
}
}).then(res => res.json())
.then(response => console.log('Success:', JSON.stringify(response)))
.catch(error => console.error('Error:', error));
send Json data as parameter
You can do that with fetch, but try to use Axios for making http requests
https://kapeli.com/cheat_sheets/Axios.docset/Contents/Resources/Documents/index
I'm trying to issue an http request to validate user and in response i need to get token issued by the server.
this ajax call working fine
$.ajax({
url: '/token',
'data': JSON.stringify({ Id: "test", Password: "test" }),
'type': 'POST',
'processData': false,
'contentType': 'application/json',
success: function (response) {
console.log("token =" + response);
},
});
But i need it in angular so i tried below two methods but none of them worked.
1st
let header = new Headers({ 'Content-Type': 'application/json', 'processData': false});
let options = new RequestOptions({ headers: header });
this.http.post('/token', JSON.stringify({ Id: "test", Password: "test" }), options)
.map(response => {
debugger;
console.log("token =" + response);
});
2nd
this.httpClient.post<any>("/token",
{ 'Id': "test", 'Password': "test" },
{
headers: new HttpHeaders({ 'Content-Type': 'application/json' }),
observe: 'response'
});
what is wrong with them.
I am using Dotnet Core 2.1 and angular 5
Please help me to solve this issue.
Your methods are observables.
In order to send the request and get the result, you need to subscribe to them.
This is an example of the 2nd method.
this.httpClient.post<any>("/token",
{ 'Id': "test", 'Password': "test" },
{
headers: new HttpHeaders({ 'Content-Type': 'application/json' })
}).subscribe(response => {
console.log("token =" + response);
});